Exploding toilets and a startup that actually called itself VaporTech. When 400 surfers are dumb enough to click on an ad offering to infect their PCs, what's left for us to
do?

Nigerian schoolchildren receive $200 computers under the U.N. One Laptop Per Child program and quickly learn a few things nobody expected - such as how to find adult
websites and how to store their favorite images on the computers' hard drives. Program leaders say future laptops will be fitted with filters.